Control circuit for phonograph record pressing die apparatus

Plastic article or earthenware shaping or treating: apparatus – With control means responsive to independently operated timer – For timing period mold is closed or period molding pressure...

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Details

425116, 425123, 425135, 425155, 425160, 425810, B29D 1700

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active

039543633

ABSTRACT:
Control circuitry for record pressing equipment is provided, and is characterized by ease of shifting between automatic and manual operational modes, and at any stage, as well as by simplicity and ease of operation. The flow control of cooling a heating fluid for the die means is integrated with the control circuitry.

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patent: 3635622 (1972-01-01), Wechsler
patent: 3642401 (1972-02-01), Wilson
patent: 3663136 (1972-05-01), Westermann

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